/*
 * Copyright 1999-2019 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.idanchuang.component.sentinel;

import com.idanchuang.component.sentinel.config.SentinelConfigBean;
import com.idanchuang.component.sentinel.interceptor.ComponentSentinelWebInterceptor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * Config sentinel interceptor
 *
 * @author kaizi2009
 */
@Configuration
@ConditionalOnClass(name = "org.springframework.web.servlet.config.annotation.WebMvcConfigurer")
public class ComponentSentinelWebMvcConfig implements WebMvcConfigurer {

    @Autowired
    private ComponentSentinelWebInterceptor sentinelWebInterceptor;
    @Autowired
    private SentinelConfigBean sentinelConfigBean;

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        InterceptorRegistration registration = registry.addInterceptor(sentinelWebInterceptor);
        // 接入限流
        String[] includes = sentinelConfigBean.getIncludePathPatterns();
        if (includes != null && includes.length > 0) {
            for (String include : includes) {
                registration.addPathPatterns(include);
            }
        }
        // 规避限流
        String[] excludes = sentinelConfigBean.getExcludePathPatterns();
        if (excludes != null && excludes.length > 0) {
            for (String exclude : excludes) {
                registration.excludePathPatterns(exclude);
            }
        }
    }

}
